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Ultrasonic wave transport in concentrated disordered resonant emulsions
Benoit Tallon, Thomas Brunet, John H. Page
We show how resonant (near-field) coupling affects wave transport in disordered media through ultrasonic experiments in concentrated suspensions. The samples consist of resonant em…
Ultra-Slow Acoustic Energy Transport in Dense Fish Aggregates
Benoit Tallon, Philippe Roux, Guillaume Matte +3
A dramatic slowing down of acoustic wave transport in dense fish shoals is observed in open-sea fish cages. By employing a multi-beam ultrasonic antenna, we observe the coherent ba…
Three-dimensional acoustic lensing with a bubbly diamond metamaterial
Maxime Lanoy, Fabrice Lemoult, Geoffroy Lerosey +3
A sound wave travelling in water is scattered by a periodic assembly of air bubbles. The local structure matters even in the low frequency regime. If the bubbles are arranged in a…
Broadband Coherent Perfect Absorption of Acoustic Waves with Bubble Meta-Screens
Maxime Lanoy, Reine-Marie Guillermic, Anatoliy Strybulevych +1
A bubble meta-screen is an exceptionally effective and low frequency resonator which can be optimized in order to exactly balance the energy provided by radiative process and lost…
Acoustic double negativity induced by position correlations within a disordered set of monopolar resonators
Maxime Lanoy, John H. Page, Geoffroy Lerosey +3
Using a Multiple Scattering Theory algorithm, we investigate numerically the transmission of ultrasonic waves through a disordered locally resonant metamaterial containing only mon…